vulkan: merge driver internal bits & export robustness features
two little runtime things from my honeykrisp tree
1 is a clean up from a bad merge of vk_meta and hk upstream
2 is for a HK_PERFTEST=norobust env var.
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two little runtime things from my honeykrisp tree
1 is a clean up from a bad merge of vk_meta and hk upstream
2 is for a HK_PERFTEST=norobust env var.